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authorRyan <fauxpark@gmail.com>2020-10-29 18:12:50 +1100
committerGitHub <noreply@github.com>2020-10-29 00:12:50 -0700
commit5cecc1ea1ec8df3b74d01f96336dee2c2f5c6f4e (patch)
treec5abcb14e22e0a9ce2476162208b45bcf6a6d77a /drivers/oled
parentb9ed9d33d3b57627e919e771f62ff1cbecf0c8d4 (diff)
Add brightness level API to OLED driver (#10772)
* Add brightness level API to OLED driver * Set default brightness to 255
Diffstat (limited to 'drivers/oled')
-rw-r--r--drivers/oled/oled_driver.c17
-rw-r--r--drivers/oled/oled_driver.h10
2 files changed, 26 insertions, 1 deletions
diff --git a/drivers/oled/oled_driver.c b/drivers/oled/oled_driver.c
index 0b24a987de..ba11db1d2a 100644
--- a/drivers/oled/oled_driver.c
+++ b/drivers/oled/oled_driver.c
@@ -107,6 +107,7 @@ OLED_BLOCK_TYPE oled_dirty = 0;
bool oled_initialized = false;
bool oled_active = false;
bool oled_scrolling = false;
+uint8_t oled_brightness = OLED_BRIGHTNESS;
uint8_t oled_rotation = 0;
uint8_t oled_rotation_width = 0;
uint8_t oled_scroll_speed = 0; // this holds the speed after being remapped to ssd1306 internal values
@@ -193,7 +194,7 @@ bool oled_init(uint8_t rotation) {
}
}
- static const uint8_t PROGMEM display_setup2[] = {I2C_CMD, COM_PINS, OLED_COM_PINS, CONTRAST, 0x8F, PRE_CHARGE_PERIOD, 0xF1, VCOM_DETECT, 0x40, DISPLAY_ALL_ON_RESUME, NORMAL_DISPLAY, DEACTIVATE_SCROLL, DISPLAY_ON};
+ static const uint8_t PROGMEM display_setup2[] = {I2C_CMD, COM_PINS, OLED_COM_PINS, CONTRAST, OLED_BRIGHTNESS, PRE_CHARGE_PERIOD, 0xF1, VCOM_DETECT, 0x20, DISPLAY_ALL_ON_RESUME, NORMAL_DISPLAY, DEACTIVATE_SCROLL, DISPLAY_ON};
if (I2C_TRANSMIT_P(display_setup2) != I2C_STATUS_SUCCESS) {
print("display_setup2 failed\n");
return false;
@@ -550,6 +551,20 @@ bool oled_off(void) {
bool is_oled_on(void) { return oled_active; }
+uint8_t oled_set_brightness(uint8_t level) {
+ uint8_t set_contrast[] = {I2C_CMD, CONTRAST, level};
+ if (oled_brightness != level) {
+ if (I2C_TRANSMIT(set_contrast) != I2C_STATUS_SUCCESS) {
+ print("set_brightness cmd failed\n");
+ return oled_brightness;
+ }
+ oled_brightness = level;
+ }
+ return oled_brightness;
+}
+
+uint8_t oled_get_brightness(void) { return oled_brightness; }
+
// Set the specific 8 lines rows of the screen to scroll.
// 0 is the default for start, and 7 for end, which is the entire
// height of the screen. For 128x32 screens, rows 4-7 are not used.
diff --git a/drivers/oled/oled_driver.h b/drivers/oled/oled_driver.h
index 58e2bb7386..72ab21247d 100644
--- a/drivers/oled/oled_driver.h
+++ b/drivers/oled/oled_driver.h
@@ -141,6 +141,10 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#if !defined(OLED_FONT_HEIGHT)
# define OLED_FONT_HEIGHT 8
#endif
+// Default brightness level
+#if !defined(OLED_BRIGHTNESS)
+# define OLED_BRIGHTNESS 255
+#endif
#if !defined(OLED_TIMEOUT)
# if defined(OLED_DISABLE_TIMEOUT)
@@ -261,6 +265,12 @@ bool oled_off(void);
// not
bool is_oled_on(void);
+// Sets the brightness of the display
+uint8_t oled_set_brightness(uint8_t level);
+
+// Gets the current brightness of the display
+uint8_t oled_get_brightness(void);
+
// Basically it's oled_render, but with timeout management and oled_task_user calling!
void oled_task(void);